In an echo of Latin America’s “Dirty Wars,” tens of thousands of people have vanished in Mexico, leaving mothers behind to search for their corpses. This time the violence, linked to criminal networks, is more complex and more intractable.

The Wild West days of unregulated recreational drones may be nearing an end.
A bill close to passage in Congress would repeal the current exemption for hobbyists from regulations and for the first time require them to take a test before flying. It also says such operators must fly no higher than 400 feet and stay clear of traditional aircraft. They may have to eventually install radio identification signals on the devices.